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LS Sci. Space
3rd grade vocabulary words for space unit
| Question | Answer |
|---|---|
| asteroid | a piece of rock that orbits the Sun |
| inner planets | the four planets closest to the Sun: Mercury, Venus, Earth, and Mars |
| magnify | to make an object appear larger |
| moon | a small, rounded body that orbits a planet |
| outer planets | the five planets farthest from the Sun: Jupiter, Uranus, and Neptune |
| orbit | to move in a path usually around a planet or star |
| planet | a large body in space that orbits a star |
| solar system | the Sun and the planets, moons, and other objects that orbit the Sun |
| space probe | a craft that explores outer space carrying instruments, but not people |
| Sun | the nearest star to the Earth |
| telescope | a tool that makes distant objects appear larger and sharper |
| axis | an imaginary line through the center of an object |
| constellation | a group of stars that forms a pattern shaped like an animal, person, or object |
| crater | a bowl-shaped dent caused when an object from space strikes the surface of a planet or a moon |
| full moon | the phase of the moon when all of the moon’s sunlit side faces the Earth |
| new moon | the phase of the moon when the moon is not visible from Earth because none of its sunlit side faces Earth |
| phases of the moon | the different ways the moon looks throughout the month |
| revolve | to move in a path around an object |
| rotate | to turn on an axis |
| satellite | an object that revolves around a planet or other large object |
| star | a ball of hot gases that gives off light and other forms of energy |
Created by:
ncshreve
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